SECTION 05 73 13–GLAZED DECORATIVE METAL RAILINGS

PART 1 - GENERAL

1.1SUMMARY

  1. Section Includes:
  2. Extruded aluminum and or stainless steel railing system with tempered glass infill.
  3. Related sections:
  4. Section 03 30 00 cast in Place Concrete: Requirement for placement of anchors or sleeves in concrete
  5. Section 07 92 00 joint sealants.
  6. Section 08 80 50 glass and glazing

1.2REFERENCE STANDARDS

  1. Aluminum Association (AA)
  2. DAF 45 designated system for aluminum finishes
  3. American Architectural Manufactures Association (AAMA)
  4. AAMA 2603 voluntary specifications, performance requirements and test procedures for pigmented organic coatings on aluminum extrusions and panels
  5. AAMA 2604 voluntary specifications, performance requirements and test procedures for pigmented organic coatings on aluminum extrusions and panels
  6. AAMA 2605 voluntary specifications, performance requirements and test procedures for pigmented organic coatings on aluminum extrusions and panels
  7. AAMA CW-10 care and handling of architectural aluminum from shop to site
  1. American Society for Testing and Materials (ASTM)
  2. ASTM B 221-08 specification for aluminum-alloy extruded bars, rods, wire, profiles and tubes
  3. ASTM C 1048 Standard Specification for Heat-Treated Flat Glass—Kind HS, Kind FT Coated and Uncoated Glass: 1997b.
  4. ASTM C 1172 Standard Specification for laminated Architectural Flat Glass: 2003.

1.3PERFORMANCE REQUIREMENTS

  1. General Performance: Aluminum-framed systems shall withstand the effects of the following performance requirements without exceeding performance criteria or failure due to defective manufacture, fabrication, installation, or other defects in construction:
  2. Distributed load: 50lb per lineal foot (0.73 kN per meter), applied in any direction at the top of the handrail: tested in accordance with ASTM E 935.
  3. Concentrated loads on intermediate rails: 50lb per square foot (2.394 kN per square meter)
  4. Concentrated load: 400 lb (1776N)applied in any direction at any point along the handrail system; tested in accordance with ASTM E 935
  5. Loads do not need to be applied simultaneously.
  6. Failure includes the following:
  7. Deflection exceeding specified limits.
  8. Thermal stresses transferring to building structure.
  9. Framing members transferring stresses, including those caused by thermal and structural movements to glazing.
  10. Noise or vibration created by wind and by thermal and structural movements.
  11. Loosening or weakening of fasteners, attachments, and other components.
  12. Delegated Design: Design aluminum-framed systems, including comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated.

1.4SUBMITTALS

  1. Product Data: For each type of product indicated.
  2. Qualification data: for installer
  3. LEED Submittal:
  4. Product Data for EA, MR, and IEQ Credits.
  5. Shop Drawings: For aluminum-framed systems. Include plans, elevations, sections, details, and attachments to other work.
  6. Include details of provisions for system expansion and contraction and for drainage of moisture in the system to the exterior if applicable.
  7. Samples: For each type of exposed finish required.
  8. 12 inches long for extrusions
  9. 12 inches x 12 inches for sheet and glass products
  10. 2 inch x 4 inch samples for finishes
  11. Delegated-Design Submittal: For aluminum-framed systems indicated to comply with performance requirements and design criteria, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation.
  12. Product test reports.
  13. Sample of field quality-control report format.
  14. Maintenance data.
  15. Warranties: Sample of special warranties.

1.5QUALITY ASSURANCE

  1. Installer Qualifications: Installers detailed information that shows competency to perform the work of this section
  2. List projects completed that have same or similar products used on this project.
  3. Testing Agency Qualifications: Qualified according to ASTME699 for testing indicated.
  4. Engineering Responsibility: Prepare data for aluminum-framed systems, including Shop Drawings, based on testing and engineering analysis of manufacturer's units in systems similar to those indicated for this Project.
  5. Product Options: Information on Drawings and in Specifications establishes requirements for systems' aesthetic effects and performance characteristics. Aesthetic effects are indicated by dimensions, arrangements, alignment, and profiles of components and assemblies as they relate to sightlines, to one another, and to adjoining construction. Performance characteristics are indicated by criteria subject to verification by one or more methods including preconstruction testing, field testing, and in-service performance.
  6. Source Limitations for Aluminum and Glass Systems: Obtain from single source from single manufacturer capable of supplying the base, handrail and glass as a complete package.
  7. Pre-installation Conference: attend a pre-installation conference at a site to be determined.

1.6WARRANTY

  1. Special Warranty: Installation contractorswarranty in which installation contractor agrees to repair or replace components of aluminum and Glass systems that do not comply with requirements or that fail in materials or workmanship within specified warranty period. The installation contractor may supplement his warranty with a pass through warrantee of the systems manufacturer.
  2. Warranty Period: Oneyear from date of Substantial Completion.
  3. Special Finish Warranty: Installation contractors warrantee in which installation contractor agrees to repair or replace components on which finishes do not comply with requirements or that fail in materials or workmanship within specified warranty period. Warranty does not include normal weathering. The installation contractor may supplement his warranty with a pass through warrantee of the systems manufacturer.
  4. Warranty Period: Five years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1MANUFACTURERS

  1. Manufacturers: Subject to compliance with requirements, provide products by one of the following
  2. Basis-of-Design Product: Subject to compliance with requirements, is the PRL Aluminum HR and DS seriesor comparable product by one of the following that conform to these specifications:
  3. Artaco
  4. Inkan
  1. Requests for substitution of other manufactures must be made 15 days prior to bid date. Substitution requests must include:
  2. test reports showing compliance with performance section
  3. ½ scale drawings showing profiles are comparable with basis of design product
  4. Comparative analysis showing the performance characteristics Vs basis of design
  5. Physical samples of proposed substitution.

2.2MATERIALS

  1. Aluminum: Alloy and temper recommended by manufacturer for type of use and finish indicated.
  2. Sheet and Plate: ASTMB209 (ASTMB209M).
  3. Extruded Bars, Rods, Profiles, and Tubes: ASTMB221 (ASTMB221M).
  4. Extruded Structural Pipe and Tubes: ASTMB429.
  5. Structural Profiles: ASTMB308/B308M.
  6. Welding Rods and Bare Electrodes: AWSA5.10/A5.10M.
  7. Glass thickness and color:
  8. 12mm, 15mm, or 19mm as indicated on drawings
  9. Metals:
  10. 316 stainless steel to finish as indicated on drawings
  11. Brass components: No. 26 Yellow Brass or No. 464 Bronze (color).
  12. Bronze components: Alloy 280 muntz metal

2.3SYSTEMS

  1. Base Shoe as indicated on drawings:
  2. HRBBS, 4 1/4" tall for wet glaze application
  3. PLDSHRB 4 1/4" dry set system
  4. PLMRDSHRB-wg 2 ¾" wet glaze system
  5. PLMRDSHRB 2 ¾" dry glaze system
  6. Handrail:
  7. 2" or 3" diameter aluminum top rail as indicated on drawing
  8. Custom rolled top rail in stainless steel, bronze or brass as indicated on drawings
  9. Brackets and Reinforcements: Manufacturer's standard high-strength aluminum with non-staining, nonferrous shims for aligning system components.
  10. Fasteners and Accessories: Manufacturer's standard corrosion-resistant, non-staining, non-bleeding fasteners and accessories compatible with adjacent materials.
  11. Use self-locking devices where fasteners are subject to loosening or turning out from thermal and structural movements, wind loads, or vibration or a use Loctite brand thread locking where it is not possible to use self-locking devices.
  12. Reinforce members as required to receive fastener threads.
  13. Concrete and Masonry Inserts: Hot-dip galvanized cast-iron, malleable-iron, or steel inserts, complying with ASTMA123/A123M or ASTMA153/A153M.
  14. Concealed Flashing: Manufacturer's standard corrosion-resistant, non-staining, non-bleeding flashing compatible with adjacent materials or Dead-soft, 0.018-inch- (0.457-mm-) thick stainless steel, ASTMA240/A240M of type recommended by manufacturer.
  15. Framing System Gaskets and Sealants: Manufacturer's standard, recommended by manufacturer for joint type.
  16. Provide sealants for use inside of the weatherproofing system that have a VOC content of 250 g/L or less when calculated according to 40CFR59, SubpartD (EPA Method24).

2.4GLAZING SYSTEMS

  1. Glazing: As specified in Division8 Section "Glazing."
  2. Glazing Gaskets: Manufacturer's standard marine type wrap around; replaceable, extruded, of profile and hardness required to maintain watertight seal.

2.5ACCESSORY MATERIALS

  1. Bituminous Paint: Cold-applied, asphalt-mastic paint complying with SSPC-Paint12 requirements except containing no asbestos; formulated for 30-mil (0.762-mm) thickness per coat.

2.6FABRICATION

  1. Form or extrude aluminum shapes before finishing.
  2. Weld in concealed locations to greatest extent possible to minimize distortion or discoloration of finish. Remove weld spatter and welding oxides from exposed surfaces by de-scaling or grinding.
  3. Framing Members, General: Fabricate components that, when assembled, have the following characteristics:
  4. Profiles that are sharp, straight, and free of defects or deformations.
  5. Accurately fitted joints with ends coped or mitered.
  6. Means to drain water passing joints, condensation within framing members, and moisture migrating within the system to exterior.
  7. Physical and thermal isolation of glazing from framing members.
  8. Accommodations for thermal and mechanical movements of glazing and framing to maintain required glazing edge clearances.
  9. Provisions for field replacement of glazing.
  10. Fasteners, anchors, and connection devices that are concealed from view to greatest extent possible.
  11. Mechanically Glazed Framing Members: Fabricate for flush glazing without projecting stops.

2.7ALUMINUM FINISHES

  1. General: Comply with NAAMM's "metal finishes manual for architectural and metal products" for recommendations.
  2. Clear or Colored Anodic Finish: AAMA611, AA-M12C22A41, ClassI, 0.018 mm or thicker.

PART 3 - EXECUTION

3.1INSTALLATION

  1. General:
  2. Comply with manufacturer's written instructions.
  3. Do not install damaged components.
  4. Fit joints to produce hairline joints free of burrs and distortion.
  5. Rigidly secure non-movement joints.
  6. Install anchors with separators and isolators to prevent metal corrosion and electrolytic deterioration.
  7. Seal joints watertight unless otherwise indicated.
  8. Metal Protection:
  9. Where aluminum will contact dissimilar metals, protect against galvanic action by painting contact surfaces with primer or applying sealant or tape, or by installing nonconductive spacers as recommended by manufacturer for this purpose.
  10. Where aluminum will contact concrete or masonry, protect against corrosion by painting contact surfaces with bituminous paint.
  11. Install components to drain water passing joints, condensation occurring within framing members, and moisture migrating within the system to exterior.
  12. Set continuous sill members and flashing in full sealant bed as specified in Division7 Section "Joint Sealants" to produce weather tight installation.
  13. Install components plumb and true in alignment with established lines and grades, and without warp or rack.

3.2FIELD QUALITY CONTROL

  1. Testing Agency: the owner may at his discretion employ a qualified independent testing and inspecting agency to perform field tests and inspections.
  2. Testing Services: Testing and inspecting of representative areas to determine compliance of installed systems with specified requirements shall take place as follows. Do not proceed with installation of the next area until test results for previously completed areas show compliance with requirements.
  3. Repair or remove work if test results and inspections indicate that it does not comply with specified requirements.
  4. Additional testing and inspecting on portions of the work that are found to be non-compliant will be at Contractor's expense and will be performed to determine compliance of replaced or additional work with specified requirements.
  5. Aluminum-framed assemblies will be considered defective if they do not pass tests and inspections.
  6. Prepare test and inspection reports.

END OF SECTION 08411

Glazed Decorative Metal Railings05 73 13-1